Soft Sensor Modeling of Key Effluent Parameters in Wastewater Treatment Process Based on SAE-NN

Table 2

Results of different models of soft sensors.

	SAE-NN	PCA-SVR	SVR	NN (3 hidden layers)
Training RMSE	0.0051	0.0246	0.0283	0.0202
Testing RMSE	0.0041	0.0249	0.0287	0.0203
Training	0.989	0.876	0.837	0.917
Testing	0.987	0.849	0.799	0.899